BuildSystem: using sysroot doesn't need root privileges anymore!

Sysroot is now created with fakeroot. This allows root access to be
only needed for disk image creation, since it uses loopback devices.

CMakeLists.txt

@@ -10,7 +10,6 @@ add_compile_definitions(__enable_sse=0)
 project(banan-os CXX C ASM)
 
 set(BANAN_BASE_SYSROOT ${CMAKE_SOURCE_DIR}/base-sysroot.tar.gz)
-set(BANAN_SYSROOT ${CMAKE_BINARY_DIR}/sysroot)
 set(BANAN_INCLUDE ${BANAN_SYSROOT}/usr/include)
 set(BANAN_LIB ${BANAN_SYSROOT}/usr/lib)
 set(BANAN_BIN ${BANAN_SYSROOT}/usr/bin)
@@ -24,8 +23,7 @@ add_subdirectory(userspace)
 
 add_custom_target(sysroot
 	COMMAND ${CMAKE_COMMAND} -E make_directory ${BANAN_SYSROOT}
-	COMMAND cd ${BANAN_SYSROOT} && sudo tar xf ${BANAN_BASE_SYSROOT}
-	USES_TERMINAL
+	COMMAND cd ${BANAN_SYSROOT} && tar xf ${BANAN_BASE_SYSROOT}
 )
 
 add_custom_target(headers
@@ -36,6 +34,7 @@ add_custom_target(headers
 )
 
 add_custom_target(install-sysroot
+	COMMAND cd ${BANAN_SYSROOT} && tar cf ${BANAN_SYSROOT_TAR} *
 	DEPENDS kernel-install
 	DEPENDS ban-install
 	DEPENDS libc-install